Add a test for members inconsistencies when creating new installations

example/src/tests/groupTests.ts

@@ -18,6 +18,7 @@ import {
   GroupUpdatedContent,
   GroupUpdatedCodec,
 } from '../../../src/index'
+import { Wallet } from 'ethers'
 
 export const groupTests: Test[] = []
 let counter = 1
@@ -1993,6 +1994,74 @@ test('can list groups does not fork', async () => {
   return true
 })
 
+test('can create new installation without breaking group', async () => {
+  const keyBytes = new Uint8Array([
+    233, 120, 198, 96, 154, 65, 132, 17, 132, 96, 250, 40, 103, 35, 125, 64,
+    166, 83, 208, 224, 254, 44, 205, 227, 175, 49, 234, 129, 74, 252, 135, 145,
+  ])
+  const wallet1 = new Wallet(
+    '0xc54c62dd3ad018ef94f20f0722cae33919e65270ad74f2d1794291088800f788'
+  )
+  const wallet2 = new Wallet(
+    '0x8d40c1c40473975cc6bbdc0465e70cc2e98f45f3c3474ca9b809caa9c4f53c0b'
+  )
+  const client1 = await Client.create(wallet1, {
+    env: 'local',
+    appVersion: 'Testing/0.0.0',
+    enableV3: true,
+    dbEncryptionKey: keyBytes,
+  })
+  const client2 = await Client.create(wallet2, {
+    env: 'local',
+    appVersion: 'Testing/0.0.0',
+    enableV3: true,
+    dbEncryptionKey: keyBytes,
+  })
+
+  const group = await client1.conversations.newGroup([wallet2.address])
+
+  await client1.conversations.syncGroups()
+  await client2.conversations.syncGroups()
+
+  const client1Group = (await client1.conversations.listGroups()).find(
+    (g) => g.id === group.id
+  )
+  const client2Group = (await client2.conversations.listGroups()).find(
+    (g) => g.id === group.id
+  )
+  await client1Group?.sync()
+  await client2Group?.sync()
+
+  assert(
+    (await client1Group?.members())?.length === 2,
+    `client 1 should see 2 members`
+  )
+
+  assert(
+    (await client2Group?.members())?.length === 2,
+    `client 2 should see 2 members`
+  )
+
+  await client2.dropLocalDatabaseConnection()
+  await client2.deleteLocalDatabase()
+
+  // Recreating a client with wallet 2 (new installation!)
+  await Client.create(wallet2, {
+    env: 'local',
+    appVersion: 'Testing/0.0.0',
+    enableV3: true,
+    dbEncryptionKey: keyBytes,
+  })
+
+  await client1Group?.send('This message will break the group')
+  assert(
+    (await client1Group?.members())?.length === 2,
+    `client 1 should still see the 2 members`
+  )
+
+  return true
+})
+
 // Commenting this out so it doesn't block people, but nice to have?
 // test('can stream messages for a long time', async () => {
 //   const bo = await Client.createRandom({ env: 'local', enableV3: true })